[wxWidgets.git] / tests / hashes / hashes.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        tests/hashes/hashes.cpp
// Purpose:     wxHashTable, wxHashMap, wxHashSet unit test
// Author:      Vadim Zeitlin, Mattia Barbon
// Modified:    Mike Wetherell
// Created:     2004-05-16
// RCS-ID:      $Id$
// Copyright:   (c) 2004 Vadim Zeitlin, Mattia Barbon, 2005 M. Wetherell
///////////////////////////////////////////////////////////////////////////////

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "testprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/wx.h"
#endif // WX_PRECOMP

#include "wx/hash.h"
#include "wx/hashmap.h"
#include "wx/hashset.h"

#if defined wxLongLong_t && !defined wxLongLongIsLong && \
        (!defined __VISUALC__ || __VISUALC__ > 1100)    // doesn't work on VC5
    #define TEST_LONGLONG
#endif

// --------------------------------------------------------------------------
// helper class for typed/untyped wxHashTable
// --------------------------------------------------------------------------

struct Foo
{
    Foo(int n_) { n = n_; count++; }
    ~Foo() { count--; }

    int n;

    static size_t count;
};

size_t Foo::count = 0;

struct FooObject : public wxObject
{
    FooObject(int n_) { n = n_; count++; }
    ~FooObject() { count--; }

    int n;

    static size_t count;
};

size_t FooObject::count = 0;

// --------------------------------------------------------------------------
// test class
// --------------------------------------------------------------------------

class HashesTestCase : public CppUnit::TestCase
{
public:
    HashesTestCase() { }

private:
    CPPUNIT_TEST_SUITE( HashesTestCase );
        CPPUNIT_TEST( wxHashTableTest );
        CPPUNIT_TEST( wxUntypedHashTableDeleteContents );
        CPPUNIT_TEST( wxTypedHashTableTest );
        CPPUNIT_TEST( StringHashMapTest );
        CPPUNIT_TEST( PtrHashMapTest );
        CPPUNIT_TEST( LongHashMapTest );
        CPPUNIT_TEST( ULongHashMapTest );
        CPPUNIT_TEST( UIntHashMapTest );
        CPPUNIT_TEST( IntHashMapTest );
        CPPUNIT_TEST( ShortHashMapTest );
        CPPUNIT_TEST( UShortHashMapTest );
#ifdef TEST_LONGLONG
        CPPUNIT_TEST( LLongHashMapTest );
        CPPUNIT_TEST( ULLongHashMapTest );
#endif
        CPPUNIT_TEST( wxHashSetTest );
    CPPUNIT_TEST_SUITE_END();

    void wxHashTableTest();
    void wxUntypedHashTableDeleteContents();
    void wxTypedHashTableTest();
    void StringHashMapTest();
    void PtrHashMapTest();
    void LongHashMapTest();
    void ULongHashMapTest();
    void UIntHashMapTest();
    void IntHashMapTest();
    void ShortHashMapTest();
    void UShortHashMapTest();
#ifdef TEST_LONGLONG
    void LLongHashMapTest();
    void ULLongHashMapTest();
#endif
    void wxHashSetTest();

    DECLARE_NO_COPY_CLASS(HashesTestCase)
};

// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( HashesTestCase );

// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( HashesTestCase, "HashesTestCase" );

void HashesTestCase::wxHashTableTest()
{
    const int COUNT = 100;

    {
        wxHashTable hash(wxKEY_INTEGER, 10), hash2(wxKEY_STRING);
        wxObject o;
        int i;

        for ( i = 0; i < COUNT; ++i )
            hash.Put(i, &o + i);

        hash.BeginFind();
        wxHashTable::compatibility_iterator it = hash.Next();
        i = 0;

        while (it)
        {
            ++i;
            it = hash.Next();
        }

        CPPUNIT_ASSERT( i == COUNT );

        for ( i = 99; i >= 0; --i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i );

        for ( i = 0; i < COUNT; ++i )
            hash.Put(i, &o + i + 20);

        for ( i = 99; i >= 0; --i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Delete(i) == &o + i);

        for ( i = COUNT/2; i < COUNT; ++i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i + 20);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Delete(i) == &o + i + 20);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Get(i) == NULL);

        hash2.Put(_T("foo"), &o + 1);
        hash2.Put(_T("bar"), &o + 2);
        hash2.Put(_T("baz"), &o + 3);

        CPPUNIT_ASSERT(hash2.Get(_T("moo")) == NULL);
        CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);

        hash2.Put(_T("bar"), &o + 0);

        CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);
    }

    // and now some corner-case testing; 3 and 13 hash to the same bucket
    {
        wxHashTable hash(wxKEY_INTEGER, 10);
        wxObject dummy;

        hash.Put(3, &dummy);
        hash.Delete(3);

        CPPUNIT_ASSERT(hash.Get(3) == NULL);

        hash.Put(3, &dummy);
        hash.Put(13, &dummy);
        hash.Delete(3);

        CPPUNIT_ASSERT(hash.Get(3) == NULL);

        hash.Delete(13);

        CPPUNIT_ASSERT(hash.Get(13) == NULL);

        hash.Put(3, &dummy);
        hash.Put(13, &dummy);
        hash.Delete(13);

        CPPUNIT_ASSERT(hash.Get(13) == NULL);

        hash.Delete(3);

        CPPUNIT_ASSERT(hash.Get(3) == NULL);
    }

    // test for key + value access (specifically that supplying either
    // wrong key or wrong value returns NULL)
    {
        wxHashTable hash(wxKEY_INTEGER, 10);
        wxObject dummy;

        hash.Put(3, 7, &dummy + 7);
        hash.Put(4, 8, &dummy + 8);

        CPPUNIT_ASSERT(hash.Get(7) == NULL);
        CPPUNIT_ASSERT(hash.Get(3, 7) == &dummy + 7);
        CPPUNIT_ASSERT(hash.Get(4) == NULL);
        CPPUNIT_ASSERT(hash.Get(3) == NULL);
        CPPUNIT_ASSERT(hash.Get(8) == NULL);
        CPPUNIT_ASSERT(hash.Get(8, 4) == NULL);

        CPPUNIT_ASSERT(hash.Delete(7) == NULL);
        CPPUNIT_ASSERT(hash.Delete(3) == NULL);
        CPPUNIT_ASSERT(hash.Delete(3, 7) == &dummy + 7);
    }

}

void HashesTestCase::wxUntypedHashTableDeleteContents()
{
    // need a nested scope for destruction
    {
        wxHashTable hash;
        hash.DeleteContents(true);

        CPPUNIT_ASSERT( hash.GetCount() == 0 );
        CPPUNIT_ASSERT( FooObject::count == 0 );

        static const int hashTestData[] =
        {
            0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
        };

        size_t n;
        for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
        {
            hash.Put(hashTestData[n], n, new FooObject(n));
        }

        CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
        CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );

        // delete from hash without deleting object
        FooObject* foo = (FooObject*)hash.Delete(0l);

        CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );
        delete foo;
        CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) - 1 );
    }

    // hash destroyed
    CPPUNIT_ASSERT( FooObject::count == 0 );
}

WX_DECLARE_HASH(Foo, wxListFoos, wxHashFoos);

void HashesTestCase::wxTypedHashTableTest()
{
    // need a nested scope for destruction
    {
        wxHashFoos hash;
        hash.DeleteContents(true);

        CPPUNIT_ASSERT( hash.GetCount() == 0 );
        CPPUNIT_ASSERT( Foo::count == 0 );

        static const int hashTestData[] =
        {
            0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
        };

        size_t n;
        for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
        {
            hash.Put(hashTestData[n], n, new Foo(n));
        }

        CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
        CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );

        for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
        {
            Foo *foo = hash.Get(hashTestData[n], n);

            CPPUNIT_ASSERT( foo != NULL );
            CPPUNIT_ASSERT( foo->n == (int)n );
        }

        // element not in hash
        CPPUNIT_ASSERT( hash.Get(1234) == NULL );
        CPPUNIT_ASSERT( hash.Get(1, 0) == NULL );

        // delete from hash without deleting object
        Foo* foo = hash.Delete(0);

        CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );
        delete foo;
        CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) - 1 );
    }

    // hash destroyed
    CPPUNIT_ASSERT( Foo::count == 0 );
}

// test compilation of basic map types
WX_DECLARE_HASH_MAP( int*, int*, wxPointerHash, wxPointerEqual, myPtrHashMap );
WX_DECLARE_HASH_MAP( long, long, wxIntegerHash, wxIntegerEqual, myLongHashMap );
WX_DECLARE_HASH_MAP( unsigned long, unsigned, wxIntegerHash, wxIntegerEqual,
                     myUnsignedHashMap );
WX_DECLARE_HASH_MAP( unsigned int, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap1 );
WX_DECLARE_HASH_MAP( int, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap2 );
WX_DECLARE_HASH_MAP( short, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap3 );
WX_DECLARE_HASH_MAP( unsigned short, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap4 );

// same as:
// WX_DECLARE_HASH_MAP( wxString, wxString, wxStringHash, wxStringEqual,
//                      myStringHashMap );
WX_DECLARE_STRING_HASH_MAP(wxString, myStringHashMap);

#ifdef TEST_LONGLONG
    WX_DECLARE_HASH_MAP( wxLongLong_t, wxLongLong_t,
                         wxIntegerHash, wxIntegerEqual, myLLongHashMap );
    WX_DECLARE_HASH_MAP( wxULongLong_t, wxULongLong_t,
                         wxIntegerHash, wxIntegerEqual, myULLongHashMap );
#endif

// Helpers to generate a key value pair for item 'i', out of a total of 'count'
void MakeKeyValuePair(size_t i, size_t /*count*/, wxString& key, wxString& val)
{
    key.clear();
    key << i;
    val = wxT("A") + key + wxT("C");
}

// for integral keys generate a range of keys that will use all the bits of
// the key type
template <class IntT, class KeyT>
IntT MakeKey(size_t i, size_t count)
{
    IntT max = 1;
    max <<= sizeof(KeyT) * 8 - 2;
    max -= count / 4 + 1;

    return max / count * 4 * i + i / 3;
}

// make key/value pairs for integer types
template <class KeyT, class ValueT>
void MakeKeyValuePair(size_t i, size_t count, KeyT& key, ValueT& value)
{
    key = MakeKey<KeyT, KeyT>(i, count);
    value = wx_truncate_cast(ValueT, key);
}

// make key/values paris for pointer types
template <class T, class ValueT>
void MakeKeyValuePair(size_t i, size_t count, T*& key, ValueT& value)
{
    key = (T*)wxUIntToPtr(MakeKey<wxUIntPtr, T*>(i, count));
    value = wx_truncate_cast(ValueT, key);
}

// the test
template <class HashMapT>
void HashMapTest()
{
    typedef typename HashMapT::value_type::second_type value_type;
    typedef typename HashMapT::key_type key_type;
    typedef typename HashMapT::iterator Itor;

    HashMapT sh(0); // as small as possible
    key_type buf;
    value_type value;
    size_t i;
    const size_t count = 10000;

    // init with some data
    for( i = 0; i < count; ++i )
    {
        MakeKeyValuePair(i, count, buf, value);
        sh[buf] = value;
    }

    // test that insertion worked
    CPPUNIT_ASSERT( sh.size() == count );

    for( i = 0; i < count; ++i )
    {
        MakeKeyValuePair(i, count, buf, value);
        CPPUNIT_ASSERT( sh[buf] == value );
    }

    // check that iterators work
    Itor it;
    for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
    {
        CPPUNIT_ASSERT( i != count );
        CPPUNIT_ASSERT( it->second == sh[it->first] );
    }

    CPPUNIT_ASSERT( sh.size() == i );

    // test copy ctor, assignment operator
    HashMapT h1( sh ), h2( 0 );
    h2 = sh;

    for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
    {
        CPPUNIT_ASSERT( h1[it->first] == it->second );
        CPPUNIT_ASSERT( h2[it->first] == it->second );
    }

    // other tests
    for( i = 0; i < count; ++i )
    {
        MakeKeyValuePair(i, count, buf, value);
        size_t sz = sh.size();

        // test find() and erase(it)
        if( i < 100 )
        {
            it = sh.find( buf );
            CPPUNIT_ASSERT( it != sh.end() );

            sh.erase( it );

            CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
        }
        else
        // test erase(key)
        {
            size_t c = sh.erase( buf );
            CPPUNIT_ASSERT( c == 1 );
            CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
        }

        // count should decrease
        CPPUNIT_ASSERT( sh.size() == sz - 1 );
    }
}

void HashesTestCase::StringHashMapTest() { HashMapTest<myStringHashMap>();   }
void HashesTestCase::PtrHashMapTest()    { HashMapTest<myPtrHashMap>();      }
void HashesTestCase::LongHashMapTest()   { HashMapTest<myLongHashMap>();     }
void HashesTestCase::ULongHashMapTest()  { HashMapTest<myUnsignedHashMap>(); }
void HashesTestCase::UIntHashMapTest()   { HashMapTest<myTestHashMap1>();    }
void HashesTestCase::IntHashMapTest()    { HashMapTest<myTestHashMap2>();    }
void HashesTestCase::ShortHashMapTest()  { HashMapTest<myTestHashMap3>();    }
void HashesTestCase::UShortHashMapTest() { HashMapTest<myTestHashMap4>();    }

#ifdef TEST_LONGLONG
void HashesTestCase::LLongHashMapTest()  { HashMapTest<myLLongHashMap>();    }
void HashesTestCase::ULLongHashMapTest() { HashMapTest<myULLongHashMap>();   }
#endif

#ifdef __VISUALC__
    #if __VISUALC__ <= 1200
        #pragma warning(disable:4284) // operator->() returns a non-UDT
    #endif
#endif // __VISUALC__

// test compilation of basic set types
WX_DECLARE_HASH_SET( int*, wxPointerHash, wxPointerEqual, myPtrHashSet );
WX_DECLARE_HASH_SET( long, wxIntegerHash, wxIntegerEqual, myLongHashSet );
WX_DECLARE_HASH_SET( unsigned long, wxIntegerHash, wxIntegerEqual,
                     myUnsignedHashSet );
WX_DECLARE_HASH_SET( unsigned int, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet1 );
WX_DECLARE_HASH_SET( int, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet2 );
WX_DECLARE_HASH_SET( short, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet3 );
WX_DECLARE_HASH_SET( unsigned short, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet4 );
WX_DECLARE_HASH_SET( wxString, wxStringHash, wxStringEqual,
                     myTestHashSet5 );

struct MyStruct
{
    int* ptr;
    wxString str;
};

class MyHash
{
public:
    unsigned long operator()(const MyStruct& s) const
        { return m_dummy(s.ptr); }
    MyHash& operator=(const MyHash&) { return *this; }
private:
    wxPointerHash m_dummy;
};

class MyEqual
{
public:
    bool operator()(const MyStruct& s1, const MyStruct& s2) const
        { return s1.ptr == s2.ptr; }
    MyEqual& operator=(const MyEqual&) { return *this; }
};

WX_DECLARE_HASH_SET( MyStruct, MyHash, MyEqual, mySet );

typedef myTestHashSet5 wxStringHashSet;

void HashesTestCase::wxHashSetTest()
{
    wxStringHashSet set1;

    set1.insert( _T("abc") );

    CPPUNIT_ASSERT( set1.size() == 1 );

    set1.insert( _T("bbc") );
    set1.insert( _T("cbc") );

    CPPUNIT_ASSERT( set1.size() == 3 );

    set1.insert( _T("abc") );

    CPPUNIT_ASSERT( set1.size() == 3 );

    mySet set2;
    int dummy;
    MyStruct tmp;

    tmp.ptr = &dummy; tmp.str = _T("ABC");
    set2.insert( tmp );
    tmp.ptr = &dummy + 1;
    set2.insert( tmp );
    tmp.ptr = &dummy; tmp.str = _T("CDE");
    set2.insert( tmp );

    CPPUNIT_ASSERT( set2.size() == 2 );

    mySet::iterator it = set2.find( tmp );

    CPPUNIT_ASSERT( it != set2.end() );
    CPPUNIT_ASSERT( it->ptr == &dummy );
    CPPUNIT_ASSERT( it->str == _T("ABC") );
}
Commit	Line	Data
cbca1e08 MB	1	///////////////////////////////////////////////////////////////////////////////
cbca1e08 MB	2	// Name: tests/hashes/hashes.cpp
7d9cfc54	3	// Purpose: wxHashTable, wxHashMap, wxHashSet unit test
cbca1e08	4	// Author: Vadim Zeitlin, Mattia Barbon
d8b6309b	5	// Modified: Mike Wetherell
cbca1e08 MB	6	// Created: 2004-05-16
cbca1e08 MB	7	// RCS-ID: $Id$
d8b6309b	8	// Copyright: (c) 2004 Vadim Zeitlin, Mattia Barbon, 2005 M. Wetherell
cbca1e08 MB	9	///////////////////////////////////////////////////////////////////////////////
	10
	11	// ----------------------------------------------------------------------------
	12	// headers
	13	// ----------------------------------------------------------------------------
	14
8899b155	15	#include "testprec.h"
cbca1e08 MB	16
	17	#ifdef __BORLANDC__
	18	#pragma hdrstop
	19	#endif
	20
	21	#ifndef WX_PRECOMP
	22	#include "wx/wx.h"
	23	#endif // WX_PRECOMP
	24
	25	#include "wx/hash.h"
	26	#include "wx/hashmap.h"
	27	#include "wx/hashset.h"
	28
d8b6309b MW	29	#if defined wxLongLong_t && !defined wxLongLongIsLong && \
	30	(!defined __VISUALC__ \|\| __VISUALC__ > 1100) // doesn't work on VC5
	31	#define TEST_LONGLONG
	32	#endif
	33
cbca1e08 MB	34	// --------------------------------------------------------------------------
	35	// helper class for typed/untyped wxHashTable
	36	// --------------------------------------------------------------------------
	37
	38	struct Foo
	39	{
	40	Foo(int n_) { n = n_; count++; }
	41	~Foo() { count--; }
	42
	43	int n;
	44
	45	static size_t count;
	46	};
	47
	48	size_t Foo::count = 0;
	49
	50	struct FooObject : public wxObject
	51	{
	52	FooObject(int n_) { n = n_; count++; }
	53	~FooObject() { count--; }
	54
	55	int n;
	56
	57	static size_t count;
	58	};
	59
	60	size_t FooObject::count = 0;
	61
	62	// --------------------------------------------------------------------------
	63	// test class
	64	// --------------------------------------------------------------------------
	65
	66	class HashesTestCase : public CppUnit::TestCase
	67	{
	68	public:
	69	HashesTestCase() { }
	70
	71	private:
	72	CPPUNIT_TEST_SUITE( HashesTestCase );
	73	CPPUNIT_TEST( wxHashTableTest );
	74	CPPUNIT_TEST( wxUntypedHashTableDeleteContents );
	75	CPPUNIT_TEST( wxTypedHashTableTest );
d8b6309b MW	76	CPPUNIT_TEST( StringHashMapTest );
	77	CPPUNIT_TEST( PtrHashMapTest );
	78	CPPUNIT_TEST( LongHashMapTest );
	79	CPPUNIT_TEST( ULongHashMapTest );
	80	CPPUNIT_TEST( UIntHashMapTest );
	81	CPPUNIT_TEST( IntHashMapTest );
	82	CPPUNIT_TEST( ShortHashMapTest );
	83	CPPUNIT_TEST( UShortHashMapTest );
	84	#ifdef TEST_LONGLONG
	85	CPPUNIT_TEST( LLongHashMapTest );
	86	CPPUNIT_TEST( ULLongHashMapTest );
	87	#endif
cbca1e08 MB	88	CPPUNIT_TEST( wxHashSetTest );
	89	CPPUNIT_TEST_SUITE_END();
	90
	91	void wxHashTableTest();
	92	void wxUntypedHashTableDeleteContents();
	93	void wxTypedHashTableTest();
d8b6309b MW	94	void StringHashMapTest();
	95	void PtrHashMapTest();
	96	void LongHashMapTest();
	97	void ULongHashMapTest();
	98	void UIntHashMapTest();
	99	void IntHashMapTest();
	100	void ShortHashMapTest();
	101	void UShortHashMapTest();
	102	#ifdef TEST_LONGLONG
	103	void LLongHashMapTest();
	104	void ULLongHashMapTest();
	105	#endif
cbca1e08 MB	106	void wxHashSetTest();
	107
	108	DECLARE_NO_COPY_CLASS(HashesTestCase)
	109	};
	110
	111	// register in the unnamed registry so that these tests are run by default
	112	CPPUNIT_TEST_SUITE_REGISTRATION( HashesTestCase );
	113
	114	// also include in it's own registry so that these tests can be run alone
	115	CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( HashesTestCase, "HashesTestCase" );
	116
	117	void HashesTestCase::wxHashTableTest()
	118	{
	119	const int COUNT = 100;
	120
	121	{
	122	wxHashTable hash(wxKEY_INTEGER, 10), hash2(wxKEY_STRING);
	123	wxObject o;
	124	int i;
	125
	126	for ( i = 0; i < COUNT; ++i )
	127	hash.Put(i, &o + i);
	128
	129	hash.BeginFind();
	130	wxHashTable::compatibility_iterator it = hash.Next();
	131	i = 0;
	132
	133	while (it)
	134	{
	135	++i;
	136	it = hash.Next();
	137	}
	138
	139	CPPUNIT_ASSERT( i == COUNT );
	140
	141	for ( i = 99; i >= 0; --i )
	142	CPPUNIT_ASSERT( hash.Get(i) == &o + i );
	143
	144	for ( i = 0; i < COUNT; ++i )
	145	hash.Put(i, &o + i + 20);
	146
	147	for ( i = 99; i >= 0; --i )
	148	CPPUNIT_ASSERT( hash.Get(i) == &o + i);
	149
	150	for ( i = 0; i < COUNT/2; ++i )
	151	CPPUNIT_ASSERT( hash.Delete(i) == &o + i);
	152
	153	for ( i = COUNT/2; i < COUNT; ++i )
	154	CPPUNIT_ASSERT( hash.Get(i) == &o + i);
	155
	156	for ( i = 0; i < COUNT/2; ++i )
	157	CPPUNIT_ASSERT( hash.Get(i) == &o + i + 20);
	158
	159	for ( i = 0; i < COUNT/2; ++i )
	160	CPPUNIT_ASSERT( hash.Delete(i) == &o + i + 20);
	161
	162	for ( i = 0; i < COUNT/2; ++i )
	163	CPPUNIT_ASSERT( hash.Get(i) == NULL);
	164
	165	hash2.Put(_T("foo"), &o + 1);
	166	hash2.Put(_T("bar"), &o + 2);
	167	hash2.Put(_T("baz"), &o + 3);
	168
	169	CPPUNIT_ASSERT(hash2.Get(_T("moo")) == NULL);
170	CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);
171
172	hash2.Put(_T("bar"), &o + 0);
173
174	CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);
175	}
176
177	// and now some corner-case testing; 3 and 13 hash to the same bucket
178	{
179	wxHashTable hash(wxKEY_INTEGER, 10);
180	wxObject dummy;
181
182	hash.Put(3, &dummy);
183	hash.Delete(3);
184
185	CPPUNIT_ASSERT(hash.Get(3) == NULL);
186
187	hash.Put(3, &dummy);
188	hash.Put(13, &dummy);
189	hash.Delete(3);
190
191	CPPUNIT_ASSERT(hash.Get(3) == NULL);
192
193	hash.Delete(13);
194
195	CPPUNIT_ASSERT(hash.Get(13) == NULL);
196
197	hash.Put(3, &dummy);
198	hash.Put(13, &dummy);
199	hash.Delete(13);
200
201	CPPUNIT_ASSERT(hash.Get(13) == NULL);
202
203	hash.Delete(3);
204
205	CPPUNIT_ASSERT(hash.Get(3) == NULL);
206	}
207
208	// test for key + value access (specifically that supplying either
209	// wrong key or wrong value returns NULL)
210	{
211	wxHashTable hash(wxKEY_INTEGER, 10);
212	wxObject dummy;
213
214	hash.Put(3, 7, &dummy + 7);
215	hash.Put(4, 8, &dummy + 8);
216
217	CPPUNIT_ASSERT(hash.Get(7) == NULL);
218	CPPUNIT_ASSERT(hash.Get(3, 7) == &dummy + 7);
219	CPPUNIT_ASSERT(hash.Get(4) == NULL);
220	CPPUNIT_ASSERT(hash.Get(3) == NULL);
221	CPPUNIT_ASSERT(hash.Get(8) == NULL);
222	CPPUNIT_ASSERT(hash.Get(8, 4) == NULL);
223
224	CPPUNIT_ASSERT(hash.Delete(7) == NULL);
225	CPPUNIT_ASSERT(hash.Delete(3) == NULL);
226	CPPUNIT_ASSERT(hash.Delete(3, 7) == &dummy + 7);
227	}
228
229	}
230
231	void HashesTestCase::wxUntypedHashTableDeleteContents()
232	{
233	// need a nested scope for destruction
234	{
235	wxHashTable hash;
236	hash.DeleteContents(true);
237
238	CPPUNIT_ASSERT( hash.GetCount() == 0 );
239	CPPUNIT_ASSERT( FooObject::count == 0 );
240
241	static const int hashTestData[] =
242	{
243	0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
244	};
245
246	size_t n;
247	for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
248	{
249	hash.Put(hashTestData[n], n, new FooObject(n));
250	}
251
252	CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
253	CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );
254
255	// delete from hash without deleting object
256	FooObject* foo = (FooObject*)hash.Delete(0l);
257
258	CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );
259	delete foo;
260	CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) - 1 );
261	}
262
263	// hash destroyed
264	CPPUNIT_ASSERT( FooObject::count == 0 );
265	}
266
cbca1e08 MB	267	WX_DECLARE_HASH(Foo, wxListFoos, wxHashFoos);
cbca1e08 MB	268
cbca1e08 MB	269	void HashesTestCase::wxTypedHashTableTest()
	270	{
	271	// need a nested scope for destruction
	272	{
	273	wxHashFoos hash;
	274	hash.DeleteContents(true);
	275
	276	CPPUNIT_ASSERT( hash.GetCount() == 0 );
	277	CPPUNIT_ASSERT( Foo::count == 0 );
	278
	279	static const int hashTestData[] =
	280	{
	281	0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
	282	};
	283
	284	size_t n;
	285	for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
	286	{
	287	hash.Put(hashTestData[n], n, new Foo(n));
	288	}
	289
	290	CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
	291	CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );
	292
	293	for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
	294	{
	295	Foo *foo = hash.Get(hashTestData[n], n);
	296
	297	CPPUNIT_ASSERT( foo != NULL );
	298	CPPUNIT_ASSERT( foo->n == (int)n );
	299	}
	300
	301	// element not in hash
	302	CPPUNIT_ASSERT( hash.Get(1234) == NULL );
	303	CPPUNIT_ASSERT( hash.Get(1, 0) == NULL );
	304
	305	// delete from hash without deleting object
	306	Foo* foo = hash.Delete(0);
	307
	308	CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );
	309	delete foo;
	310	CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) - 1 );
	311	}
	312
	313	// hash destroyed
	314	CPPUNIT_ASSERT( Foo::count == 0 );
	315	}
	316
7d9cfc54 MB	317	// test compilation of basic map types
	318	WX_DECLARE_HASH_MAP( int, int, wxPointerHash, wxPointerEqual, myPtrHashMap );
	319	WX_DECLARE_HASH_MAP( long, long, wxIntegerHash, wxIntegerEqual, myLongHashMap );
	320	WX_DECLARE_HASH_MAP( unsigned long, unsigned, wxIntegerHash, wxIntegerEqual,
	321	myUnsignedHashMap );
	322	WX_DECLARE_HASH_MAP( unsigned int, unsigned, wxIntegerHash, wxIntegerEqual,
	323	myTestHashMap1 );
	324	WX_DECLARE_HASH_MAP( int, unsigned, wxIntegerHash, wxIntegerEqual,
	325	myTestHashMap2 );
	326	WX_DECLARE_HASH_MAP( short, unsigned, wxIntegerHash, wxIntegerEqual,
	327	myTestHashMap3 );
	328	WX_DECLARE_HASH_MAP( unsigned short, unsigned, wxIntegerHash, wxIntegerEqual,
	329	myTestHashMap4 );
	330
	331	// same as:
	332	// WX_DECLARE_HASH_MAP( wxString, wxString, wxStringHash, wxStringEqual,
	333	// myStringHashMap );
	334	WX_DECLARE_STRING_HASH_MAP(wxString, myStringHashMap);
	335
d8b6309b MW	336	#ifdef TEST_LONGLONG
	337	WX_DECLARE_HASH_MAP( wxLongLong_t, wxLongLong_t,
	338	wxIntegerHash, wxIntegerEqual, myLLongHashMap );
	339	WX_DECLARE_HASH_MAP( wxULongLong_t, wxULongLong_t,
	340	wxIntegerHash, wxIntegerEqual, myULLongHashMap );
	341	#endif
	342
	343	// Helpers to generate a key value pair for item 'i', out of a total of 'count'
	344	void MakeKeyValuePair(size_t i, size_t /count/, wxString& key, wxString& val)
	345	{
	346	key.clear();
	347	key << i;
	348	val = wxT("A") + key + wxT("C");
	349	}
	350
	351	// for integral keys generate a range of keys that will use all the bits of
	352	// the key type
	353	template <class IntT, class KeyT>
	354	IntT MakeKey(size_t i, size_t count)
	355	{
	356	IntT max = 1;
	357	max <<= sizeof(KeyT) * 8 - 2;
	358	max -= count / 4 + 1;
d7ad5a02	359
d8b6309b MW	360	return max / count * 4 * i + i / 3;
d8b6309b MW	361	}
7d9cfc54	362
d8b6309b MW	363	// make key/value pairs for integer types
	364	template <class KeyT, class ValueT>
	365	void MakeKeyValuePair(size_t i, size_t count, KeyT& key, ValueT& value)
cbca1e08	366	{
d8b6309b MW	367	key = MakeKey<KeyT, KeyT>(i, count);
	368	value = wx_truncate_cast(ValueT, key);
	369	}
	370
	371	// make key/values paris for pointer types
	372	template <class T, class ValueT>
	373	void MakeKeyValuePair(size_t i, size_t count, T*& key, ValueT& value)
	374	{
	375	key = (T)wxUIntToPtr(MakeKey<wxUIntPtr, T>(i, count));
	376	value = wx_truncate_cast(ValueT, key);
	377	}
	378
	379	// the test
	380	template <class HashMapT>
	381	void HashMapTest()
	382	{
d8b6309b	383	typedef typename HashMapT::value_type::second_type value_type;
d8b6309b MW	384	typedef typename HashMapT::key_type key_type;
	385	typedef typename HashMapT::iterator Itor;
	386
	387	HashMapT sh(0); // as small as possible
	388	key_type buf;
	389	value_type value;
7d9cfc54 MB	390	size_t i;
	391	const size_t count = 10000;
	392
	393	// init with some data
	394	for( i = 0; i < count; ++i )
	395	{
d8b6309b MW	396	MakeKeyValuePair(i, count, buf, value);
d8b6309b MW	397	sh[buf] = value;
7d9cfc54 MB	398	}
	399
	400	// test that insertion worked
	401	CPPUNIT_ASSERT( sh.size() == count );
	402
	403	for( i = 0; i < count; ++i )
	404	{
d8b6309b MW	405	MakeKeyValuePair(i, count, buf, value);
d8b6309b MW	406	CPPUNIT_ASSERT( sh[buf] == value );
7d9cfc54 MB	407	}
	408
	409	// check that iterators work
	410	Itor it;
	411	for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
	412	{
	413	CPPUNIT_ASSERT( i != count );
	414	CPPUNIT_ASSERT( it->second == sh[it->first] );
	415	}
	416
	417	CPPUNIT_ASSERT( sh.size() == i );
	418
	419	// test copy ctor, assignment operator
d8b6309b	420	HashMapT h1( sh ), h2( 0 );
7d9cfc54 MB	421	h2 = sh;
	422
	423	for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
	424	{
	425	CPPUNIT_ASSERT( h1[it->first] == it->second );
	426	CPPUNIT_ASSERT( h2[it->first] == it->second );
	427	}
	428
	429	// other tests
	430	for( i = 0; i < count; ++i )
	431	{
d8b6309b	432	MakeKeyValuePair(i, count, buf, value);
7d9cfc54 MB	433	size_t sz = sh.size();
	434
	435	// test find() and erase(it)
	436	if( i < 100 )
	437	{
	438	it = sh.find( buf );
	439	CPPUNIT_ASSERT( it != sh.end() );
	440
	441	sh.erase( it );
	442
	443	CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
	444	}
	445	else
	446	// test erase(key)
	447	{
	448	size_t c = sh.erase( buf );
	449	CPPUNIT_ASSERT( c == 1 );
	450	CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
	451	}
	452
	453	// count should decrease
	454	CPPUNIT_ASSERT( sh.size() == sz - 1 );
	455	}
cbca1e08 MB	456	}
cbca1e08 MB	457
d8b6309b MW	458	void HashesTestCase::StringHashMapTest() { HashMapTest<myStringHashMap>(); }
	459	void HashesTestCase::PtrHashMapTest() { HashMapTest<myPtrHashMap>(); }
	460	void HashesTestCase::LongHashMapTest() { HashMapTest<myLongHashMap>(); }
	461	void HashesTestCase::ULongHashMapTest() { HashMapTest<myUnsignedHashMap>(); }
	462	void HashesTestCase::UIntHashMapTest() { HashMapTest<myTestHashMap1>(); }
	463	void HashesTestCase::IntHashMapTest() { HashMapTest<myTestHashMap2>(); }
	464	void HashesTestCase::ShortHashMapTest() { HashMapTest<myTestHashMap3>(); }
	465	void HashesTestCase::UShortHashMapTest() { HashMapTest<myTestHashMap4>(); }
	466
	467	#ifdef TEST_LONGLONG
	468	void HashesTestCase::LLongHashMapTest() { HashMapTest<myLLongHashMap>(); }
	469	void HashesTestCase::ULLongHashMapTest() { HashMapTest<myULLongHashMap>(); }
	470	#endif
	471
5098c258 VZ	472	#ifdef __VISUALC__
	473	#if __VISUALC__ <= 1200
	474	#pragma warning(disable:4284) // operator->() returns a non-UDT
	475	#endif
	476	#endif // __VISUALC__
	477
7d9cfc54 MB	478	// test compilation of basic set types
	479	WX_DECLARE_HASH_SET( int*, wxPointerHash, wxPointerEqual, myPtrHashSet );
	480	WX_DECLARE_HASH_SET( long, wxIntegerHash, wxIntegerEqual, myLongHashSet );
	481	WX_DECLARE_HASH_SET( unsigned long, wxIntegerHash, wxIntegerEqual,
	482	myUnsignedHashSet );
	483	WX_DECLARE_HASH_SET( unsigned int, wxIntegerHash, wxIntegerEqual,
	484	myTestHashSet1 );
	485	WX_DECLARE_HASH_SET( int, wxIntegerHash, wxIntegerEqual,
	486	myTestHashSet2 );
	487	WX_DECLARE_HASH_SET( short, wxIntegerHash, wxIntegerEqual,
	488	myTestHashSet3 );
	489	WX_DECLARE_HASH_SET( unsigned short, wxIntegerHash, wxIntegerEqual,
	490	myTestHashSet4 );
	491	WX_DECLARE_HASH_SET( wxString, wxStringHash, wxStringEqual,
	492	myTestHashSet5 );
	493
	494	struct MyStruct
	495	{
	496	int* ptr;
	497	wxString str;
	498	};
	499
	500	class MyHash
	501	{
	502	public:
	503	unsigned long operator()(const MyStruct& s) const
	504	{ return m_dummy(s.ptr); }
	505	MyHash& operator=(const MyHash&) { return *this; }
	506	private:
	507	wxPointerHash m_dummy;
	508	};
	509
	510	class MyEqual
	511	{
	512	public:
	513	bool operator()(const MyStruct& s1, const MyStruct& s2) const
	514	{ return s1.ptr == s2.ptr; }
	515	MyEqual& operator=(const MyEqual&) { return *this; }
	516	};
	517
	518	WX_DECLARE_HASH_SET( MyStruct, MyHash, MyEqual, mySet );
	519
	520	typedef myTestHashSet5 wxStringHashSet;
	521
cbca1e08 MB	522	void HashesTestCase::wxHashSetTest()
cbca1e08 MB	523	{
7d9cfc54 MB	524	wxStringHashSet set1;
	525
	526	set1.insert( _T("abc") );
	527
	528	CPPUNIT_ASSERT( set1.size() == 1 );
	529
	530	set1.insert( _T("bbc") );
	531	set1.insert( _T("cbc") );
	532
	533	CPPUNIT_ASSERT( set1.size() == 3 );
	534
	535	set1.insert( _T("abc") );
	536
	537	CPPUNIT_ASSERT( set1.size() == 3 );
	538
	539	mySet set2;
	540	int dummy;
	541	MyStruct tmp;
	542
	543	tmp.ptr = &dummy; tmp.str = _T("ABC");
	544	set2.insert( tmp );
	545	tmp.ptr = &dummy + 1;
	546	set2.insert( tmp );
	547	tmp.ptr = &dummy; tmp.str = _T("CDE");
	548	set2.insert( tmp );
	549
	550	CPPUNIT_ASSERT( set2.size() == 2 );
	551
	552	mySet::iterator it = set2.find( tmp );
	553
	554	CPPUNIT_ASSERT( it != set2.end() );
	555	CPPUNIT_ASSERT( it->ptr == &dummy );
	556	CPPUNIT_ASSERT( it->str == _T("ABC") );
cbca1e08	557	}